package com.kashi.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.kashi.mapper.EmpMapper;
import com.kashi.pojo.Emp;
import com.kashi.pojo.PageBean;
import com.kashi.service.EmpService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.List;

@Service
public class EmpServiceImpl implements EmpService {

    @Autowired
    private EmpMapper empMapper;

//    @Override
//    public PageBean page(Integer page, Integer pageSize) {
//        //1.获取总记录数
//        Long count = empMapper.count();
//
//        //2.获取分页查询结果
//        Integer start = (page - 1) * pageSize;
//        List<Emp> empList = empMapper.page(start,pageSize);
//
//        //2.封装PageBean对象
//        PageBean pageBean = new PageBean(count, empList);
//        return pageBean;

    @Override
    public PageBean page(Integer page, Integer pageSize,String name ,Short gender) {
        //1.设置分页参数
        PageHelper.startPage(page,pageSize);

        //2.执行查询
        List<Emp> empList = empMapper.list(name ,gender);
        Page <Emp> p = (Page<Emp>) empList;

        //2.封装PageBean对象
        PageBean pageBean = new PageBean(p.getTotal(), p.getResult());
        return pageBean;

    }

    @Override
    public void delete(List<Integer> ids) {
        empMapper.delete(ids);
    }

    public void save(Emp emp){
        emp.setCreateTime(LocalDateTime.now());
        emp.setUpdateTime(LocalDateTime.now());
        empMapper.insert(emp);
    }

    @Override
    public Emp getById(Integer id) {
        return empMapper.getById(id);
    }

    @Override
    public void update(Emp emp) {
        emp.setUpdateTime(LocalDateTime.now());

        empMapper.update(emp);
    }

}
